Calculating Active IDs by Day Using Cumulative Sum Aggregation in Athena

Comparing Duplicate Rows Over Two Tables in Athena: A Step-by-Step Guide to Using Join Operations and Counting Distinct Elements

Converting Strings to Datetime Formats in Amazon Athena: Best Practices and Examples

Extracting Substrings from Strings Using Patterns: A Comparison of url_extract_parameter() and Regular Expressions

Extracting Timestamp from MongoDB Object ID in Amazon Athena Using SQL Queries

How to Duplicate Rows and Calculate Percentiles in Amazon Athena

Conditional Row Numbering in PrestoDB: A Step-by-Step Solution Using Cumulative Group Numbers and Dense Ranks